<template>
  <div>
    <!--整个容器-->
    <el-container>
    <!--上半部分-->
    <el-header class="layout-header">
      <!--显示当前登录用户信息-->
      <div class="login-user">
        <span class="welcome">欢迎回来，root！</span>
        <el-dropdown>
          <el-avatar src="https://cube.elemecdn.com/3/7c/3ea6beec64369c2642b92c6726f1epng.png"
                     size="small"></el-avatar>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item icon="el-icon-s-finance">修改资料</el-dropdown-item>
            <el-dropdown-item icon="el-icon-user">修改头像</el-dropdown-item>
            <el-dropdown-item icon="el-icon-s-opportunity">修改密码</el-dropdown-item>
            <el-dropdown-item icon="el-icon-error" divided>退出登录</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>
      </div>
      <!--左侧的标题文字-->
      <h1>酷鲨商城运营管理平台</h1>
    </el-header>
    <!--下半部分-->
    <el-container class="layout-body">
    <!--下半部分的左侧：侧边栏-->
        <el-aside class="layout-aside">
          <el-menu
              router
              :default-active="$router.currentRoute.path"
              class="el-menu-vertical-demo"
              background-color="#222"
              text-color="#fff"
              active-text-color="#fff">
            <!-- 首页 -->
            <el-menu-item index="1" >
              <i class="el-icon-s-home"></i>
              <span slot="title">首页</span>
            </el-menu-item>
            <!-- 商品管理 -->
            <el-submenu index="2">
              <template slot="title">
                <i class="el-icon-s-goods"></i>
                <span>商品管理</span>
              </template>
              <el-menu-item index="/sys-admin/product/spu-management">
                <i class="el-icon-s-grid"></i>
                <span slot="title">SPU台账</span>
              </el-menu-item>
              <el-menu-item index="/sys-admin/product/spu/add-new-1">
                <i class="el-icon-circle-plus"></i>
                <span slot="title">新增SPU</span>
              </el-menu-item>
              <el-menu-item index="/sys-admin/product/album">
                <i class="el-icon-picture"></i>
                <span slot="title">相册管理</span>
              </el-menu-item>
              <el-menu-item index="/sys-admin/product/category">
                <i class="el-icon-s-unfold"></i>
                <span slot="title">商品类别</span>
              </el-menu-item>
              <el-menu-item index="/sys-admin/product/attribute-template">
                <i class="el-icon-s-flag"></i>
                <span slot="title">属性模板</span>
              </el-menu-item>
              <el-menu-item index="/sys-admin/product/attribute">
                <i class="el-icon-s-ticket"></i>
                <span slot="title">属性管理</span>
              </el-menu-item>
              <el-menu-item index="/sys-admin/product/brand">
                <i class="el-icon-s-data"></i>
                <span slot="title">品牌管理</span>
              </el-menu-item>
            </el-submenu>
            <!-- 订单管理 -->
            <el-submenu index="3">
              <template slot="title">
                <i class="el-icon-s-order"></i>
                <span>订单管理</span>
              </template>
              <el-menu-item index="3-1" disabled>
                <i class="el-icon-error"></i>
                <span slot="title">暂无内容</span>
              </el-menu-item>
            </el-submenu>
            <!--营销管理-->
            <el-submenu index="4">
              <template slot="title">
                <i class="el-icon-s-management"></i>
                <span>营销管理</span>
              </template>
              <el-menu-item index="4-1" disabled>
                <i class="el-icon-error"></i>
                <span slot="title">暂无内容</span>
              </el-menu-item>
            </el-submenu>
            <!--商家管理-->
            <el-submenu index="5">
              <template slot="title">
                <i class="el-icon-s-shop"></i>
                <span>商家管理</span>
              </template>
              <el-menu-item index="5-1" disabled>
                <i class="el-icon-error"></i>
                <span slot="title">暂无内容</span>
              </el-menu-item>
            </el-submenu>
            <!--权限管理-->
            <el-submenu index="6">
              <template slot="title">
                <i class="el-icon-s-check"></i>
                <span>权限管理</span>
              </template>
              <el-menu-item index="/sys-admin/permission/admin">
                <i class="el-icon-s-custom"></i>
                <span slot="title">管理员管理</span>
              </el-menu-item>
            </el-submenu>
          </el-menu>
        </el-aside>
    <!--下半部分的左侧：主体-->
      <el-main class="layout-main">
    <!--将有其他页面组件显示-->
      <router-view/>
      </el-main>
    </el-container>
    </el-container>
  </div>
</template>

<script>
export default {
  data() {
    return {
      activeMenuItemPath: '',
    };
  },
    methods:{
      handleActiveMenuItem() {
       let currentPath =  this.$router.currentRoute.path;

      if (currentPath.startsWith('/sys-admin/product/album')) { // 相册管理页面跳转
        currentPath='/sys-admin/product/album';
      } else if(currentPath.startsWith('/sys-admin/product/attribute-template')) { // 属性模板页面跳转
        currentPath = '/sys-admin/product/attribute-template';
      } else if(currentPath.startsWith('/sys-admin/product/attribute')) { // 属性页面跳转
        currentPath = '/sys-admin/product/attribute';
      } else if(currentPath.startsWith('/sys-admin/product/brand')) { // 商品品牌页面跳转
        currentPath = '/sys-admin/product/brand';
      } else if(currentPath.startsWith('/sys-admin/product/category')) { // 商品类别页面跳转
        currentPath = '/sys-admin/product/category';
      } else if(currentPath.startsWith('/sys-admin/product/spu/add-new')) { // SPU页面跳转
        currentPath = '/sys-admin/product/spu/add-new-1';
      } else if(currentPath.startsWith('/sys-admin/permission/admin')) {
        currentPath = '/sys-admin/permission/admin';
      }
        this.activeMenuItemPath = currentPath;
    }
  },
    mounted(){
    this.handleActiveMenuItem();
  }
}
</script>

<style>
.layout-header{
background: dodgerblue;
}

.layout-header h1{
  line-height: 60px;
  color: #fff;
}
.layout-header .login-user{
  float: right;
  display: flex;
  margin-top: 16px;
}
.layout-header .login-user .welcome{
  line-height: 28px;
  color: #fff;
}
.layout-body{
  position: absolute;
  top: 60px;
  bottom: 0;
  left: 0;
  right: 0;
}
.layout-aside .el-menu{
  border: 0;
}
.layout-aside{
  background: #222;
}
.layout-aside i {
  color: #fff !important;
}
.el-menu-item.is-active{
  background: #2c3e50 !important;
}

.layout-main{
  background: #fff;
}
</style>